#app {
    border: 1px solid;
    width: 300px;
    height: 320px;
    margin: 0 auto;
    background-color: #eee;
    text-align: center;
    .item {
        width: 300px;
        height: 40px;
        line-height: 40px;
        text-align: center;
    }
    .item_icon {
        width: 240px;
        height: 100px;
        background-color: white;
        line-height: 30px;
        margin-left: 30px;
        color: red;
    }
}